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Elisabeth Logak is a mathematician who works in the general area of analysis of nonlinear partial differential equations. She studies reaction-diffusion processes that play a crucial role in diverse applications such as combustion, phase transitions, and biological spreading. She has achieved rigorous results from studying interface dynamics and curvature-driven flows that emphasize the key role played by nonlocality in dynamics. Her current interests mostly concern the emergence of biological patterns in population dynamics, from cell migration and chemotaxis to virus transmission and epidemic propagation. While at the Radcliffe Institute, Logak will pursue her interests in mathematical biology. She will work on the evolution of bacterial colonies, focusing on the nonlocal and collective effects leading to self-organization and multiscale patterning. She will also investigate new models of virus transmission that emphasize the role of random mutations and study the mathematical properties of epidemic networks that exhibit complex structures. A professor at Université de Cergy-Pontoise, Logak graduated from École Normale Supérieure in Paris and received her PhD and her habilitation in mathematics from Université Pierre et Marie Curie. She was previously an assistant professor at École Normale Supérieure. In 2001–2002, she was a visiting professor at the University of Minnesota. She also holds a graduate degree in economics from École des Hautes Études en Sciences Sociales in Paris.